From Longman Dictionary of Contemporary Englishby/through trial and errorby/through trial and errorTRY something TO SEE IF IT IS GOODif you do something by trial and error, you test many different methods of doing something in order to find the best I learned most of what I know about gardening through trial and error. → trial
Examples from the Corpus
by/through trial and error• It pointed out that: Everything seems to be done by trial and error.• He learned everything just by trial and error.• They learned to farm the land through trial and error.• Some had to learn by trial and error.• These are things we learn by trial and error.• I did the tutorial that came with the package deal and learned a lot through trial and error.• In any case, they were confident these minor bugs could be worked out through trial and error.• Science progresses by trial and error.• Each individual achieves his own style by trial and error. 